问题
单项选择题
小明步行45分钟可从甲地到乙地,小华乘车15分钟可从乙地到甲地。当小明和小华在路上相遇时,小明已经走了30分钟,小华用车接小明返回乙地,还需要多少分钟?
A.10
B.15
C..3
D.5
答案
参考答案:D
解析:解析:两人相遇时,小明还剩下1-30÷45=1/3的路程要走,乘车还需要(1/3)×15=5分钟。
小明步行45分钟可从甲地到乙地,小华乘车15分钟可从乙地到甲地。当小明和小华在路上相遇时,小明已经走了30分钟,小华用车接小明返回乙地,还需要多少分钟?
A.10
B.15
C..3
D.5
参考答案:D
解析:解析:两人相遇时,小明还剩下1-30÷45=1/3的路程要走,乘车还需要(1/3)×15=5分钟。
选择填空,在方框内选择正确词汇或者短语,补全下列句子。(10分)
小题2:James Naismith was a P.E teacher . He______ __ basketball in 1891. 小题3:China gained the___ ___ to host the 2008 Olympics. 小题4:—How can we_____ _ you? --My cell phone number is 13913450026. 小题5:Lighting the Olympic Torch is the most____ __ moment of the Olympic Games. 小题6:—My bike is broken. –You should ask someone to_____ _ it. 小题7:Are you going to visit the sports woman____ __? 小题8:Yesterday I went home on foot___ ___ by car. 小题9:--___ ___answering us another question? --Not at all. 小题10:Dave, you’re always so careless, you _____ _ your pen once again. |